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Lecture15DeepSeaFishMammals

Lecture15DeepSeaFishMammals - Ch 15 Marine Animals Marine...

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Ch. 15 Ch. 15 Marine Animals Marine Animals
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Deep-Sea Fishes Hatchetfish Hatchetfish have tubular eyes to spot their prey, but go to great lengths to avoid being eaten themselves. Their bodies are completely flattened to reduce their silhouette Deep sea anglerfish Deep sea anglerfish males are much tinier than the females; live as parasites on the females Use their light to entice prey; large jaws to engulf scarce food “photophores” (lights all over) Lanternfish Each species of lanternfish has a distinct pattern of lights on its body. When a lanternfish goes looking for a mate, it seeks out other fish with the same pattern.
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Many deep sea animals make their own light to find food, to find each other, and to confuse or attract other animals. This production of light by living animals is called bioluminescence . Animals can make the light in one of two ways: some animals grow luminescent bacteria in special body pockets; others produce their own light in body organs called photophores . Giant Red Mysid – 4 cm long Its brilliant red color provides a clue to life in the midwater: red appears black in the dim blue-green light of the midwater , so this bright red animal is actually camouflaged .
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